| Value | Category | Cases | |
|---|---|---|---|
| 1 | only in July 2012 to December 2012 | 1952 |
7.2%
|
| 2 | only in January 2013 to June 2013 | 493 |
1.8%
|
| 3 | both in July 2012 to December 2012 and January 2013 to June 2013 | 24752 |
91%
|